1 files changed, 199 insertions, 0 deletions
diff --git a/src/java/com/juick/http/www/Discover.java b/src/java/com/juick/http/www/Discover.java
new file mode 100644
index 00000000..b76a1d77
--- /dev/null
+++ b/src/java/com/juick/http/www/Discover.java
@@ -0,0 +1,199 @@
+/*
+ * Juick
+ * Copyright (C) 2008-2011, Ugnich Anton
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.juick.http.www;
+
+import com.juick.server.MessagesQueries;
+import com.juick.server.TagQueries;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.UnsupportedEncodingException;
+import java.net.URLDecoder;
+import java.net.URLEncoder;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Locale;
+import java.util.ResourceBundle;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+public class Discover {
+
+    protected void doGet(Connection sql, Connection sqlSearch, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        com.juick.User visitor = Utils.getVisitorUser(sql, request);
+        Locale locale = request.getLocale();
+        ResourceBundle rb = ResourceBundle.getBundle("Blogs", locale);
+
+        String requesturi = request.getRequestURI();
+
+        int paramTag = 0;
+        String paramTagStr = null;
+        if (requesturi.startsWith("/tag/")) {
+            paramTagStr = URLDecoder.decode(request.getRequestURI().substring(5), "UTF-8");
+            paramTag = TagQueries.getTagID(sql, paramTagStr, false);
+            if (paramTag == 0) {
+                response.sendError(404);
+                return;
+            }
+        }
+
+        int paramBefore = 0;
+        String paramBeforeStr = request.getParameter("before");
+        if (paramBeforeStr != null) {
+            try {
+                paramBefore = Integer.parseInt(paramBeforeStr);
+            } catch (NumberFormatException e) {
+            }
+        }
+
+        String paramSearch = request.getParameter("search");
+        if (paramSearch != null && paramSearch.length() > 64) {
+            paramSearch = null;
+        }
+
+        int visitor_uid = visitor != null ? visitor.UID : 0;
+
+        String title;
+        ArrayList<Integer> mids;
+
+        String paramShow = request.getParameter("show");
+        if (paramShow == null) {
+            if (paramTag > 0) {
+                title = "*" + Utils.encodeHTML(paramTagStr);
+                mids = MessagesQueries.getTag(sql, paramTag, visitor_uid, paramBefore);
+            } else if (paramSearch != null) {
+                title = rb.getString("Search") + ": " + Utils.encodeHTML(paramSearch);
+                mids = MessagesQueries.getSearch(sql, sqlSearch, Utils.encodeSphinx(paramSearch), paramBefore);
+            } else {
+                title = rb.getString("Last messages");
+                mids = MessagesQueries.getAll(sql, visitor_uid, paramBefore);
+            }
+        } else if (paramShow.equals("photos")) {
+            title = rb.getString("With photos");
+            mids = MessagesQueries.getPhotos(sql, visitor_uid, paramBefore);
+        } else {
+            response.sendError(404);
+            return;
+        }
+
+        response.setContentType("text/html; charset=UTF-8");
+        PrintWriter out = response.getWriter();
+        try {
+            PageTemplates.pageHead(out, title, null);
+            PageTemplates.pageNavigation(out, locale, visitor, paramSearch);
+
+            out.println("<div id=\"topwrapper\">");
+            out.println("<div id=\"wrapper\">");
+            out.println("<div id=\"content\">");
+
+            if (mids.size() > 0) {
+                out.println("<ul>");
+                PageTemplates.printMessages(out, sql, null, mids, visitor, locale, visitor == null ? 2 : 3);
+                out.println("</ul>");
+            }
+
+            if (mids.size() == 20) {
+                String nextpage = "?before=" + mids.get(mids.size() - 1);
+                if (paramShow != null) {
+                    nextpage += "&amp;show=" + paramShow;
+                }
+                if (paramSearch != null) {
+                    nextpage += "&amp;search=" + URLEncoder.encode(paramSearch, "UTF-8");
+                }
+                out.println("<p class=\"page\"><a href=\"" + nextpage + "\">Older →</a></p>");
+            }
+            PageTemplates.pageFooter(request, out, locale, visitor, true);
+            out.println("</div>");
+            out.println("</div>"); // wrapper
+
+
+            out.println("<div id=\"column\" class=\"abs\">");
+            out.println("  <ul>");
+            out.println("    <li><a href=\"/discover\">" + rb.getString("All messages") + "</a></li>");
+            out.println("    <li><a href=\"/discover?show=photos\">" + rb.getString("With photos") + "</a></li>");
+            out.println("  </ul>");
+            out.println("  <hr/>");
+            out.println("  <p>" + getTags(sql, 45) + "</p>");
+            out.println("</div>");
+
+            out.println("</div>"); // topwrapper
+
+            PageTemplates.pageDialogTemplate(out, locale);
+            PageTemplates.pageEnd(out);
+        } finally {
+            out.close();
+        }
+    }
+
+    private String getTags(Connection sql, int cnt) {
+        String ret = "";
+        com.juick.Tag tags[] = new com.juick.Tag[cnt];
+
+        int maxUsageCnt = 0;
+        PreparedStatement stmt = null;
+        ResultSet rs = null;
+        try {
+            stmt = sql.prepareStatement("SELECT tags.name AS name,COUNT(DISTINCT messages.user_id) AS cnt FROM (messages INNER JOIN messages_tags ON (messages.ts>TIMESTAMPADD(MONTH,-1,NOW()) AND messages.message_id=messages_tags.message_id)) INNER JOIN tags ON messages_tags.tag_id=tags.tag_id WHERE tags.tag_id NOT IN (SELECT tag_id FROM tags_ignore) GROUP BY tags.tag_id ORDER BY cnt DESC LIMIT ?");
+            stmt.setInt(1, cnt);
+            rs = stmt.executeQuery();
+            rs.beforeFirst();
+            cnt = 0;
+            while (rs.next()) {
+                tags[cnt] = new com.juick.Tag();
+                tags[cnt].Name = rs.getString(1);
+                tags[cnt].UsageCnt = rs.getInt(2);
+                if (tags[cnt].UsageCnt > maxUsageCnt) {
+                    maxUsageCnt = tags[cnt].UsageCnt;
+                }
+                cnt++;
+            }
+        } catch (SQLException e) {
+            System.err.println(e);
+        } finally {
+            Utils.finishSQL(rs, stmt);
+        }
+
+        Arrays.sort(tags, 0, cnt);
+
+        for (int i = 0; i < cnt; i++) {
+            String tag = Utils.encodeHTML(tags[i].Name);
+            try {
+                tag = "<a href=\"/tag/" + URLEncoder.encode(tags[i].Name, "UTF-8") + "\">" + tag + "</a>";
+            } catch (UnsupportedEncodingException e) {
+            }
+
+            if (tags[i].UsageCnt > maxUsageCnt / 3 * 2) {
+                ret += "<big>" + tag + "</big> ";
+            } else if (tags[i].UsageCnt > maxUsageCnt / 3) {
+                ret += "<small>" + tag + "</small> ";
+            } else {
+                ret += tag + " ";
+            }
+        }
+
+        return ret;
+    }
+}